Sunaharai Onsen

Sunaharai Onsen is a historic hot spring resort in Iida, nestled in the mountains of southern Nagano, Japan.Known as a "beautiful skin hot spring," its gentle alkaline waters and diverse bathhouses offer restorative warmth after days of festival participation and cultural immersion.Surrounded by local cuisine and traditional charm, it serves as the perfect base for this Matsuri-centered retreat experience.